Handyman Saitou in Another World, Vol. 5 by Ichitomo Kazutomo
Upon returning to town, the party hears rumor of a new treasurethe Golden Armor of the headless knight Dullahan. If they can get their hands on that armor and sell it, theyll be rich! But during their descent, the party gets separated from Raelza... They agreed to abandon her and return to town, but can the party really leave her to die in the caves? If not, they have to hurrybecause another government-certified party just showed up vying for the treasure!